| Abbreviation | Definition |
|---|---|
| FNS | Friendly Neighborhood Search |
| FNU | First Name Unknown |
| FOAC | Firearm Owners Against Crime |
| FOB | Freedom Of Belief |
| FOC | Fundamental Orders of Connecticut |
| FOCB | Friend of the Court Bureau |
| FOCO | Fraternal Order of Court Officers |
| FODC | Friends of the Drug Court |
| FOF | Findings of Fact |
| FOI | Field Office of Investigation |
| FOIA | Firearm Owner's Identification Act |
| FOID | Firearm Owner's Identification Program |
| FOIP | Freedom Of Information and Protection of Privacy Act |
| FOIR | Freedom Of Information Request |
| FOJ | Federal Office of Justice |
| FOJ | Fugitive of Justice |
| FOO | Family Of Origin |
| FOP | First Offender Program |
| FOPA | Firearm Owners' Privacy Act |
| FORD | For Old Retired Drivers |